Thread 36 (process 23983): #0 0x000000315b00db14 in __lll_lock_wait () from /lib64/libpthread.so.0 #1 0x000000315b00921c in _L_lock_1078 () from /lib64/libpthread.so.0 #2 0x000000315b0090f0 in pthread_mutex_lock () from /lib64/libpthread.so.0 #3 0x0000000000a33055 in safe_mutex_lock (mp=0x1081740, my_flags=0, file=0xbca74c "sql_base.cc", line=2634) at thr_mutex.c:225 #4 0x00000000006e0e4e in open_table (thd=0x7f9e2424bb88, table_list=0x20bca70, mem_root=0x7f9e29686180, ot_ctx=0x7f9e296861f0, flags=32) at sql_base.cc:2634 #5 0x00000000006e20ce in open_and_process_table (thd=0x7f9e2424bb88, lex=0x7f9e2424d460, tables=0x20bca70, counter=0x7f9e296862c0, flags=32, prelocking_strategy=0x7f9e29687250, has_prelocking_list=false, ot_ctx=0x7f9e296861f0, new_frm_mem=0x7f9e29686180) at sql_base.cc:3941 #6 0x00000000006e27bb in open_tables (thd=0x7f9e2424bb88, start=0x7f9e29686280, counter=0x7f9e296862c0, flags=32, prelocking_strategy=0x7f9e29687250) at sql_base.cc:4179 #7 0x00000000006e2cb0 in open_and_lock_tables_derived (thd=0x7f9e2424bb88, tables=0x20bca70, derived=false, flags=32, prelocking_strategy=0x7f9e29687250) at sql_base.cc:4764 #8 0x0000000000688fd9 in mysql_execute_command (thd=0x7f9e2424bb88) at sql_parse.cc:3664 #9 0x000000000068d71b in mysql_parse (thd=0x7f9e2424bb88, inBuf=0x20bc940 "LOCK TABLES testdb_S . t1_base2_S AS i WRITE", length=46, found_semicolon=0x7f9e29687f00) at sql_parse.cc:5985 #10 0x000000000068e2ac in dispatch_command (command=COM_QUERY, thd=0x7f9e2424bb88, packet=0x7f9e2422cb69 "LOCK TABLES testdb_S . t1_base2_S AS i WRITE", packet_length=46) at sql_parse.cc:1078 #11 0x000000000068f81e in do_command (thd=0x7f9e2424bb88) at sql_parse.cc:760 #12 0x000000000067c644 in handle_one_connection (arg=0x7f9e2424bb88) at sql_connect.cc:1164 #13 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #14 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 35 (process 23981): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1082420, mp=0x1081740, file=0xbca74c "sql_base.cc", line=8354) at thr_mutex.c:423 #2 0x00000000006d439d in tdc_wait_for_old_versions (thd=0x2487168, mdl_requests=0x7f9e2974bef0) at sql_base.cc:8354 #3 0x00000000006e0290 in Open_table_context::recover_from_failed_open_table_attempt (this=0x7f9e2974bef0, thd=0x2487168, table=0x28f1a68) at sql_base.cc:3701 #4 0x00000000006e2807 in open_tables (thd=0x2487168, start=0x7f9e2974bf80, counter=0x7f9e2974bfc0, flags=0, prelocking_strategy=0x7f9e2974c000) at sql_base.cc:4207 #5 0x00000000006e2cb0 in open_and_lock_tables_derived (thd=0x2487168, tables=0x28f2000, derived=true, flags=0, prelocking_strategy=0x7f9e2974c000) at sql_base.cc:4764 #6 0x00000000006907f4 in open_and_lock_tables_derived (thd=0x2487168, tables=0x28f2000, derived=true, flags=0) at ../mysql_priv.h:1518 #7 0x000000000069082f in open_and_lock_tables (thd=0x2487168, tables=0x28f2000) at ../../sql/mysql_priv.h:1528 #8 0x00000000009d4084 in myisam_backup::Backup::lock_tables_TL_READ_NO_INSERT (this=0x7f9e241e27d0) at myisam_backup_engine.cc:887 #9 0x00000000009d42a4 in myisam_backup_separate_thread_for_locking (arg=0x7f9e241e27d0) at myisam_backup_engine.cc:930 #10 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #11 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 34 (process 23741): #0 0x000000315a4dea62 in select () from /lib64/libc.so.6 #1 0x0000000000672f31 in handle_connections_sockets () at mysqld.cc:5367 #2 0x0000000000676be4 in main (argc=42, argv=0x7fff3fd194d8) at mysqld.cc:4860 ---Type to continue, or q to quit--- Thread 33 (process 23763): #0 0x000000315a4dea62 in select () from /lib64/libc.so.6 #1 0x0000000000938534 in os_thread_sleep (tm=1000000) at os/os0thread.c:268 #2 0x000000000095e5cb in srv_master_thread (arg=0x0) at srv/srv0srv.c:2450 #3 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #4 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 32 (process 23793): #0 0x000000315b00db14 in __lll_lock_wait () from /lib64/libpthread.so.0 #1 0x000000315b0091b0 in _L_lock_102 () from /lib64/libpthread.so.0 #2 0x000000315b008a9e in pthread_mutex_lock () from /lib64/libpthread.so.0 #3 0x0000000000a33055 in safe_mutex_lock (mp=0x109e400, my_flags=0, file=0xc45e62 "myisam_backup_engine.cc", line=769) at thr_mutex.c:225 #4 0x00000000009d627a in myisam_backup::Backup::get_data (this=0x7f9e241e27d0, buf=@0x7f9e241e2750) at myisam_backup_engine.cc:769 #5 0x0000000000ae040f in backup::Backup_pump::pump (this=0x7f9e241e2710, howmuch=0x7f9e29992f78) at data_backup.cc:1474 #6 0x0000000000ae0f68 in backup::Scheduler::step (this=0x7f9e29992ff0) at data_backup.cc:855 #7 0x0000000000ae1d98 in backup::write_table_data (thd=0x7f9e243ad568, info=@0x7f9e241c2b70, s=@0x7f9e24289210) at data_backup.cc:675 #8 0x0000000000ad7811 in Backup_restore_ctx::do_backup (this=0x7f9e299931f0) at kernel.cc:1406 #9 0x0000000000ada454 in execute_backup_command (thd=0x7f9e243ad568, lex=0x7f9e243aee40, backupdir=0x7f9e29994170, overwrite=false, skip_gap_event=false) at kernel.cc:269 #10 0x0000000000685aeb in mysql_execute_command (thd=0x7f9e243ad568) at sql_parse.cc:2482 #11 0x000000000068d71b in mysql_parse (thd=0x7f9e243ad568, inBuf=0x1f73360 "BACKUP DATABASE testdb_N TO '/tmp/gentest23773-1260455597.82839.tmp'", length=68, found_semicolon=0x7f9e29994f00) at sql_parse.cc:5985 #12 0x000000000068e2ac in dispatch_command (command=COM_QUERY, thd=0x7f9e243ad568, packet=0x7f9e241beb59 "BACKUP DATABASE testdb_N TO '/tmp/gentest23773-1260455597.82839.tmp'", packet_length=68) at sql_parse.cc:1078 #13 0x000000000068f81e in do_command (thd=0x7f9e243ad568) at sql_parse.cc:760 #14 0x000000000067c644 in handle_one_connection (arg=0x7f9e243ad568) at sql_connect.cc:1164 #15 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #16 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 31 (process 23744): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1ce96a0, mp=0x1ce95f0, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1ce95f0, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=1, message1=0x7f9e364310b8, message2=0x7f9e364310b0, type=0x7f9e364310a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=1) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a28) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 30 (process 23745): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1ce97c0, mp=0x1ce9710, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1ce9710, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=2, message1=0x7f9e35a300b8, message2=0x7f9e35a300b0, type=0x7f9e35a300a8) ---Type to continue, or q to quit--- at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=2) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a30) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 29 (process 23746): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1ce98e0, mp=0x1ce9830, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1ce9830, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=3, message1=0x7f9e3502f0b8, message2=0x7f9e3502f0b0, type=0x7f9e3502f0a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=3) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a38) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 28 (process 23747): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1ce9a00, mp=0x1ce9950, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1ce9950, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=4, message1=0x7f9e3462e0b8, message2=0x7f9e3462e0b0, type=0x7f9e3462e0a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=4) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a40) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 27 (process 23890): #0 0x000000315b00db14 in __lll_lock_wait () from /lib64/libpthread.so.0 #1 0x000000315b00921c in _L_lock_1078 () from /lib64/libpthread.so.0 #2 0x000000315b0090f0 in pthread_mutex_lock () from /lib64/libpthread.so.0 #3 0x0000000000a33055 in safe_mutex_lock (mp=0x1081740, my_flags=0, file=0xbca74c "sql_base.cc", line=8730) at thr_mutex.c:225 #4 0x00000000006de5c8 in close_performance_schema_table (thd=0x7f9e24494368, backup=0x7f9e299d5370) at sql_base.cc:8730 #5 0x000000000076c11e in Log_to_csv_event_handler::log_general (this=0x7f9e24018570, thd=0x7f9e24494368, event_time=1260455602, user_host=0x7f9e299d5490 "root[root] @ localhost [127.0.0.1]", user_host_len=34, thread_id=61, command_type=0xb74ded "Query", command_type_len=5, sql_text=0x2403050 "DEALLOCATE PREPARE st1", sql_text_len=22, client_cs=0x1078880) at log.cc:554 #6 0x0000000000768a05 in LOGGER::general_log_write (this=0x108a4e0, thd=0x7f9e24494368, command=COM_QUERY, query=0x2403050 "DEALLOCATE PREPARE st1", query_length=22) at log.cc:2075 #7 0x0000000000768ab5 in general_log_write (thd=0x7f9e24494368, command=COM_QUERY, query=0x2403050 "DEALLOCATE PREPARE st1", query_length=22) at log.cc:6251 #8 0x000000000068e21b in dispatch_command (command=COM_QUERY, thd=0x7f9e24494368, packet=0x7f9e2448e4f9 " DEALLOCATE PREPARE st1", packet_length=23) at sql_parse.cc:1072 #9 0x000000000068f81e in do_command (thd=0x7f9e24494368) at sql_parse.cc:760 #10 0x000000000067c644 in handle_one_connection (arg=0x7f9e24494368) at sql_connect.cc:1164 #11 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 ---Type to continue, or q to quit--- #12 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 26 (process 23748): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1ce9b20, mp=0x1ce9a70, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1ce9a70, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=5, message1=0x7f9e33c2d0b8, message2=0x7f9e33c2d0b0, type=0x7f9e33c2d0a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=5) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a48) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 25 (process 23978): #0 0x000000315b00df5b in read () from /lib64/libpthread.so.0 #1 0x00000000009fd935 in vio_read (vio=0x7f9e2420f1f8, buf=0x7f9e2421ceb8 "[", size=4) at viosocket.c:44 #2 0x000000000066112c in my_real_read (net=0x7f9e243702d0, complen=0x7f9e297cdfe8) at net_serv.cc:833 #3 0x0000000000661918 in my_net_read (net=0x7f9e243702d0) at net_serv.cc:1023 #4 0x000000000068f686 in do_command (thd=0x7f9e243701b8) at sql_parse.cc:706 #5 0x000000000067c644 in handle_one_connection (arg=0x7f9e243701b8) at sql_connect.cc:1164 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 24 (process 23762): #0 0x000000315a4dea62 in select () from /lib64/libc.so.6 #1 0x0000000000938534 in os_thread_sleep (tm=1000000) at os/os0thread.c:268 #2 0x000000000095e372 in srv_error_monitor_thread (arg=0x0) at srv/srv0srv.c:2307 #3 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #4 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 23 (process 23749): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1ce9c40, mp=0x1ce9b90, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1ce9b90, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=6, message1=0x7f9e3322c0b8, message2=0x7f9e3322c0b0, type=0x7f9e3322c0a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=6) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a50) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 22 (process 23754): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1cea1e0, mp=0x1cea130, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1cea130, reset_sig_count=0) at os/os0sync.c:422 ---Type to continue, or q to quit--- #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=11, message1=0x7f9e300270b8, message2=0x7f9e300270b0, type=0x7f9e300270a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=11) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a78) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 21 (process 23750): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1ce9d60, mp=0x1ce9cb0, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1ce9cb0, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=7, message1=0x7f9e3282b0b8, message2=0x7f9e3282b0b0, type=0x7f9e3282b0a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=7) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a58) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 20 (process 23756): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1cea420, mp=0x1cea370, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1cea370, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=13, message1=0x7f9e2ec250b8, message2=0x7f9e2ec250b0, type=0x7f9e2ec250a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=13) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a88) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 19 (process 23751): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1ce9e80, mp=0x1ce9dd0, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1ce9dd0, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=8, message1=0x7f9e31e2a0b8, message2=0x7f9e31e2a0b0, type=0x7f9e31e2a0a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=8) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a60) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 18 (process 23757): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1cea540, mp=0x1cea490, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1cea490, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=14, message1=0x7f9e2e2240b8, message2=0x7f9e2e2240b0, type=0x7f9e2e2240a8) ---Type to continue, or q to quit--- at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=14) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a90) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 17 (process 23752): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1ce9fa0, mp=0x1ce9ef0, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1ce9ef0, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=9, message1=0x7f9e314290b8, message2=0x7f9e314290b0, type=0x7f9e314290a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=9) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a68) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 16 (process 23976): #0 0x000000315b00db14 in __lll_lock_wait () from /lib64/libpthread.so.0 #1 0x000000315b00921c in _L_lock_1078 () from /lib64/libpthread.so.0 #2 0x000000315b0090f0 in pthread_mutex_lock () from /lib64/libpthread.so.0 #3 0x0000000000a33055 in safe_mutex_lock (mp=0x1081740, my_flags=0, file=0xbca74c "sql_base.cc", line=2634) at thr_mutex.c:225 #4 0x00000000006e0e4e in open_table (thd=0x7f9e2437d8d8, table_list=0x22b4ba0, mem_root=0x7f9e2980d000, ot_ctx=0x7f9e2980d070, flags=32) at sql_base.cc:2634 #5 0x00000000006e20ce in open_and_process_table (thd=0x7f9e2437d8d8, lex=0x7f9e2437f1b0, tables=0x22b4ba0, counter=0x7f9e2980d140, flags=32, prelocking_strategy=0x7f9e2980d180, has_prelocking_list=false, ot_ctx=0x7f9e2980d070, new_frm_mem=0x7f9e2980d000) at sql_base.cc:3941 #6 0x00000000006e27bb in open_tables (thd=0x7f9e2437d8d8, start=0x7f9e2980d100, counter=0x7f9e2980d140, flags=32, prelocking_strategy=0x7f9e2980d180) at sql_base.cc:4179 #7 0x00000000006e2cb0 in open_and_lock_tables_derived (thd=0x7f9e2437d8d8, tables=0x22b4ba0, derived=false, flags=32, prelocking_strategy=0x7f9e2980d180) at sql_base.cc:4764 #8 0x00000000006907f4 in open_and_lock_tables_derived (thd=0x7f9e2437d8d8, tables=0x22b4ba0, derived=false, flags=32) at ../mysql_priv.h:1518 #9 0x00000000006e309d in open_n_lock_single_table (thd=0x7f9e2437d8d8, table_l=0x22b4ba0, lock_type=TL_WRITE_ALLOW_READ, flags=32) at sql_base.cc:4595 #10 0x000000000088a025 in mysql_create_or_drop_trigger (thd=0x7f9e2437d8d8, tables=0x22b4ba0, create=true) at sql_trigger.cc:464 #11 0x000000000068ca65 in mysql_execute_command (thd=0x7f9e2437d8d8) at sql_parse.cc:4712 #12 0x000000000068d71b in mysql_parse (thd=0x7f9e2437d8d8, inBuf=0x22b4890 "/* Sequence start */ CREATE TRIGGER testdb_S . tr1_4_S BEFORE INSERT ON testdb_S . t1_part9_S FOR EACH ROW BEGIN CALL testdb_N . p1_5_N ; END ; COMMIT ; SELECT SLEEP( 0.5 * 0.46 * 1 ) ; DROP TRIGGE"..., length=239, found_semicolon=0x7f9e2980ef00) at sql_parse.cc:5985 #13 0x000000000068e2ac in dispatch_command (command=COM_QUERY, thd=0x7f9e2437d8d8, packet=0x7f9e2420b079 "/* Sequence start */ CREATE TRIGGER testdb_S . tr1_4_S BEFORE INSERT ON testdb_S . t1_part9_S FOR EACH ROW BEGIN CALL testdb_N . p1_5_N ; END ; COMMIT ; SELECT SLEEP( 0.5 * 0.46 * 1 ) ; DROP TRIGGE"..., packet_length=239) at sql_parse.cc:1078 #14 0x000000000068f81e in do_command (thd=0x7f9e2437d8d8) at sql_parse.cc:760 #15 0x000000000067c644 in handle_one_connection (arg=0x7f9e2437d8d8) at sql_connect.cc:1164 #16 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #17 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 15 (process 23758): ---Type to continue, or q to quit--- #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1cea660, mp=0x1cea5b0, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1cea5b0, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=15, message1=0x7f9e2d8230b8, message2=0x7f9e2d8230b0, type=0x7f9e2d8230a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=15) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a98) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 14 (process 23898): #0 0x000000315b00db14 in __lll_lock_wait () from /lib64/libpthread.so.0 #1 0x000000315b00921c in _L_lock_1078 () from /lib64/libpthread.so.0 #2 0x000000315b0090f0 in pthread_mutex_lock () from /lib64/libpthread.so.0 #3 0x0000000000a33055 in safe_mutex_lock (mp=0x1081740, my_flags=0, file=0xbca74c "sql_base.cc", line=8213) at thr_mutex.c:225 #4 0x00000000006d48bc in mysql_notify_thread_having_shared_lock (thd=0x7f9e241d5498, in_use=0x220e628) at sql_base.cc:8213 #5 0x00000000008b67ae in notify_shared_lock (thd=0x7f9e241d5498, conflicting_ticket=0x143ba60) at mdl.cc:807 #6 0x00000000008b6fc2 in MDL_context::acquire_exclusive_locks (this=0x7f9e241d5570, mdl_requests=0x7f9e2988ea70) at mdl.cc:919 #7 0x00000000008b7445 in MDL_context::acquire_exclusive_lock (this=0x7f9e241d5570, mdl_request=0x1f5a118) at mdl.cc:822 #8 0x00000000006dc510 in open_table_get_mdl_lock (thd=0x7f9e241d5498, table_list=0x1f59dc0, mdl_request=0x1f5a118, ot_ctx=0x7f9e2988f1a0, flags=32) at sql_base.cc:2344 #9 0x00000000006e0db0 in open_table (thd=0x7f9e241d5498, table_list=0x1f59dc0, mem_root=0x7f9e2988f130, ot_ctx=0x7f9e2988f1a0, flags=32) at sql_base.cc:2619 #10 0x00000000006e20ce in open_and_process_table (thd=0x7f9e241d5498, lex=0x7f9e241d6d70, tables=0x1f59dc0, counter=0x7f9e2988f270, flags=32, prelocking_strategy=0x7f9e2988f2b0, has_prelocking_list=false, ot_ctx=0x7f9e2988f1a0, new_frm_mem=0x7f9e2988f130) at sql_base.cc:3941 #11 0x00000000006e27bb in open_tables (thd=0x7f9e241d5498, start=0x7f9e2988f230, counter=0x7f9e2988f270, flags=32, prelocking_strategy=0x7f9e2988f2b0) at sql_base.cc:4179 #12 0x00000000006e2cb0 in open_and_lock_tables_derived (thd=0x7f9e241d5498, tables=0x1f59dc0, derived=true, flags=32, prelocking_strategy=0x7f9e2988f2b0) at sql_base.cc:4764 #13 0x00000000006907f4 in open_and_lock_tables_derived (thd=0x7f9e241d5498, tables=0x1f59dc0, derived=true, flags=32) at ../mysql_priv.h:1518 #14 0x00000000006862b5 in mysql_execute_command (thd=0x7f9e241d5498) at sql_parse.cc:2686 #15 0x000000000068d71b in mysql_parse (thd=0x7f9e241d5498, inBuf=0x1f59b50 "CREATE TABLE IF NOT EXISTS testdb_N . t1_part6_N ENGINE = MyISAM PARTITION BY KEY (pk) PARTITIONS 2 AS SELECT `col_int_key` , `pk` , `col_int` FROM testdb_S . t1_merge6_S A WHERE `pk` BETWEEN 0 "..., length=209, found_semicolon=0x7f9e29890f00) at sql_parse.cc:5985 #16 0x000000000068e2ac in dispatch_command (command=COM_QUERY, thd=0x7f9e241d5498, packet=0x7f9e243299d9 "CREATE TABLE IF NOT EXISTS testdb_N . t1_part6_N ENGINE = MyISAM PARTITION BY KEY (pk) PARTITIONS 2 AS SELECT `col_int_key` , `pk` , `col_int` FROM testdb_S . t1_merge6_S A WHERE `pk` BETWEEN 0 "..., packet_length=209) at sql_parse.cc:1078 #17 0x000000000068f81e in do_command (thd=0x7f9e241d5498) at sql_parse.cc:760 #18 0x000000000067c644 in handle_one_connection (arg=0x7f9e241d5498) at sql_connect.cc:1164 #19 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #20 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 13 (process 23753): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1cea0c0, mp=0x1cea010, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1cea010, reset_sig_count=0) at os/os0sync.c:422 ---Type to continue, or q to quit--- #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=10, message1=0x7f9e30a280b8, message2=0x7f9e30a280b0, type=0x7f9e30a280a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=10) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a70) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 12 (process 23761): #0 0x000000315a4dea62 in select () from /lib64/libc.so.6 #1 0x0000000000938534 in os_thread_sleep (tm=1000000) at os/os0thread.c:268 #2 0x000000000095dee4 in srv_lock_timeout_and_monitor_thread (arg=0x0) at srv/srv0srv.c:2104 #3 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #4 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 11 (process 23759): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1cea780, mp=0x1cea6d0, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1cea6d0, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=16, message1=0x7f9e2ce220b8, message2=0x7f9e2ce220b0, type=0x7f9e2ce220a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=16) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095aa0) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 10 (process 23798): #0 0x000000315b00b58d in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a33bbe in safe_cond_timedwait (cond=0x7f9e299108d0, mp=0x107e6e0, abstime=0x7f9e29910860, file=0xb0d048 "item_func.cc", line=3544) at thr_mutex.c:477 #2 0x00000000005ca89c in interruptible_wait (thd=0x7f9e243db318, cond=0x7f9e299108d0, lock=0x107e6e0, time=0.41999999999999998) at item_func.cc:3544 #3 0x00000000005caa02 in Item_func_sleep::val_int (this=0x2375948) at item_func.cc:3863 #4 0x00000000005bf00e in Item_func_plus::int_op (this=0x23759f8) at item_func.cc:1117 #5 0x00000000005c834f in Item_func_numhybrid::val_int (this=0x23759f8) at item_func.cc:843 #6 0x00000000005d7e90 in Arg_comparator::compare_int_signed (this=0x2375bd8) at item_cmpfunc.cc:1268 #7 0x00000000005e8644 in Arg_comparator::compare (this=0x2375bd8) at item_cmpfunc.h:74 #8 0x00000000005dc68d in Item_func_eq::val_int (this=0x2375b28) at item_cmpfunc.cc:1718 #9 0x00000000006d1bff in SQL_SELECT::skip_record (this=0x2375ca0) at opt_range.h:762 #10 0x00000000007549ba in mysql_delete (thd=0x7f9e243db318, table_list=0x2374f08, conds=0x2375b28, order=0x7f9e243dd4d8, limit=18446744073709551614, options=0, reset_auto_increment=false) at sql_delete.cc:309 #11 0x0000000000688337 in mysql_execute_command (thd=0x7f9e243db318) at sql_parse.cc:3388 #12 0x000000000068d71b in mysql_parse (thd=0x7f9e243db318, inBuf=0x2374da0 "DELETE FROM testdb_N . t1_base6_N WHERE `pk` + SLEEP( 0.5 * 0.84 * 1 ) = 9", length=77, found_semicolon=0x7f9e29912f00) at sql_parse.cc:5985 #13 0x000000000068e2ac in dispatch_command (command=COM_QUERY, thd=0x7f9e243db318, packet=0x7f9e241d8419 "DELETE FROM testdb_N . t1_base6_N WHERE `pk` + SLEEP( 0.5 * 0.84 * 1 ) = 9", packet_length=77) at sql_parse.cc:1078 #14 0x000000000068f81e in do_command (thd=0x7f9e243db318) at sql_parse.cc:760 ---Type to continue, or q to quit--- #15 0x000000000067c644 in handle_one_connection (arg=0x7f9e243db318) at sql_connect.cc:1164 #16 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #17 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 9 (process 23755): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1cea300, mp=0x1cea250, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1cea250, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=12, message1=0x7f9e2f6260b8, message2=0x7f9e2f6260b0, type=0x7f9e2f6260a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=12) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a80) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 8 (process 23982): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x7f9e24304090, mp=0x7f9e24304120, file=0xc6b89d "be_thread.cc", line=177) at thr_mutex.c:423 #2 0x0000000000ae6f4c in backup_thread_for_locking (arg=0x7f9e24304090) at be_thread.cc:176 #3 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #4 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 7 (process 23743): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1ce9580, mp=0x1ce94d0, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1ce94d0, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=0, message1=0x7f9e37d030b8, message2=0x7f9e37d030b0, type=0x7f9e37d030a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=0) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095a20) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 6 (process 23764): #0 0x000000315b00ee7b in sigwait () from /lib64/libpthread.so.0 #1 0x0000000000671883 in signal_hand (arg=0x0) at mysqld.cc:2971 #2 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #3 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 5 (process 23780): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1082420, mp=0x1081740, file=0xbca74c "sql_base.cc", line=1062) at thr_mutex.c:423 #2 0x00000000006e3782 in close_cached_tables (thd=0x7f9e241e7328, tables=0x1ef1ab0, have_lock=false, wait_for_refresh=true) at sql_base.cc:1062 #3 0x000000000067f3df in reload_acl_and_cache (thd=0x7f9e241e7328, options=4, tables=0x1ef1ab0, write_to_binlog=0x7f9e298d124f) at sql_parse.cc:6972 #4 0x000000000068aa41 in mysql_execute_command (thd=0x7f9e241e7328) at sql_parse.cc:4090 ---Type to continue, or q to quit--- #5 0x000000000068d71b in mysql_parse (thd=0x7f9e241e7328, inBuf=0x1ef19a0 "FLUSH TABLE testdb_N . t1_base6_N", length=33, found_semicolon=0x7f9e298d1f00) at sql_parse.cc:5985 #6 0x000000000068e2ac in dispatch_command (command=COM_QUERY, thd=0x7f9e241e7328, packet=0x7f9e241f2659 "FLUSH TABLE testdb_N . t1_base6_N ", packet_length=34) at sql_parse.cc:1078 #7 0x000000000068f81e in do_command (thd=0x7f9e241e7328) at sql_parse.cc:760 #8 0x000000000067c644 in handle_one_connection (arg=0x7f9e241e7328) at sql_connect.cc:1164 #9 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #10 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 4 (process 23760): #0 0x000000315b00b309 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a338e1 in safe_cond_wait (cond=0x1cea8a0, mp=0x1cea7f0, file=0xc2e212 "os/os0sync.c", line=422) at thr_mutex.c:423 #2 0x0000000000937e26 in os_event_wait_low (event=0x1cea7f0, reset_sig_count=0) at os/os0sync.c:422 #3 0x0000000000936a96 in os_aio_simulated_handle (global_segment=17, message1=0x7f9e2c4210b8, message2=0x7f9e2c4210b0, type=0x7f9e2c4210a8) at os/os0file.c:4252 #4 0x0000000000912851 in fil_aio_wait (segment=17) at fil/fil0fil.c:4246 #5 0x000000000095fd46 in io_handler_thread (arg=0x1095aa8) at srv/srv0start.c:435 #6 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #7 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 3 (process 23933): #0 0x000000315b00db14 in __lll_lock_wait () from /lib64/libpthread.so.0 #1 0x000000315b0091b0 in _L_lock_102 () from /lib64/libpthread.so.0 #2 0x000000315b008a9e in pthread_mutex_lock () from /lib64/libpthread.so.0 #3 0x0000000000a33055 in safe_mutex_lock (mp=0x109e400, my_flags=0, file=0xc42519 "mi_close.c", line=35) at thr_mutex.c:225 #4 0x00000000009ba7ca in mi_close (info=0x2382668) at mi_close.c:35 #5 0x00000000009cd7f7 in ha_myisam::close (this=0x2256a80) at ha_myisam.cc:707 #6 0x00000000007d3ce0 in handler::drop_table (this=0x2256a80, name=0x1f5f1e0 "/build/bzr/mysql-6.0-backup/mysql-test/var/tmp/#sql_5cbd_0") at handler.cc:3120 #7 0x00000000007d68e3 in handler::ha_drop_table (this=0x2256a80, name=0x1f5f1e0 "/build/bzr/mysql-6.0-backup/mysql-test/var/tmp/#sql_5cbd_0") at handler.cc:3406 #8 0x00000000007017f3 in free_tmp_table (thd=0x7f9e242b4918, entry=0x1f5da10) at sql_select.cc:15691 #9 0x00000000006dedc3 in close_thread_tables (thd=0x7f9e242b4918) at sql_base.cc:1415 #10 0x000000000068f455 in dispatch_command (command=COM_QUERY, thd=0x7f9e242b4918, packet=0x7f9e24282fc9 "", packet_length=173) at sql_parse.cc:1448 #11 0x000000000068f81e in do_command (thd=0x7f9e242b4918) at sql_parse.cc:760 #12 0x000000000067c644 in handle_one_connection (arg=0x7f9e242b4918) at sql_connect.cc:1164 #13 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #14 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 2 (process 23889): #0 0x000000315b00db14 in __lll_lock_wait () from /lib64/libpthread.so.0 #1 0x000000315b00921c in _L_lock_1078 () from /lib64/libpthread.so.0 #2 0x000000315b0090f0 in pthread_mutex_lock () from /lib64/libpthread.so.0 #3 0x0000000000a33055 in safe_mutex_lock (mp=0x1081740, my_flags=0, file=0xbca74c "sql_base.cc", line=2634) at thr_mutex.c:225 #4 0x00000000006e0e4e in open_table (thd=0x7f9e24380ec8, table_list=0x7f9e296c8bc0, mem_root=0x7f9e243839a8, ot_ctx=0x7f9e296c8ac0, flags=0) ---Type to continue, or q to quit--- at sql_base.cc:2634 #5 0x00000000006e1968 in open_ltable (thd=0x7f9e24380ec8, table_list=0x7f9e296c8bc0, lock_type=TL_WRITE_CONCURRENT_INSERT, lock_flags=27) at sql_base.cc:4647 #6 0x00000000006e1cba in open_performance_schema_table (thd=0x7f9e24380ec8, one_table=0x7f9e296c8bc0, backup=0x7f9e296c9370) at sql_base.cc:8670 #7 0x000000000076bcf5 in Log_to_csv_event_handler::log_general (this=0x7f9e24018570, thd=0x7f9e24380ec8, event_time=1260455602, user_host=0x7f9e296c9490 "root[root] @ localhost [127.0.0.1]", user_host_len=34, thread_id=60, command_type=0xb74ded "Query", command_type_len=5, sql_text=0x2378ae0 "FLUSH TABLE testdb_N . t1_part8_N", sql_text_len=33, client_cs=0x1078880) at log.cc:473 #8 0x0000000000768a05 in LOGGER::general_log_write (this=0x108a4e0, thd=0x7f9e24380ec8, command=COM_QUERY, query=0x2378ae0 "FLUSH TABLE testdb_N . t1_part8_N", query_length=33) at log.cc:2075 #9 0x0000000000768ab5 in general_log_write (thd=0x7f9e24380ec8, command=COM_QUERY, query=0x2378ae0 "FLUSH TABLE testdb_N . t1_part8_N", query_length=33) at log.cc:6251 #10 0x000000000068e21b in dispatch_command (command=COM_QUERY, thd=0x7f9e24380ec8, packet=0x7f9e243682b9 "FLUSH TABLE testdb_N . t1_part8_N ", packet_length=34) at sql_parse.cc:1072 #11 0x000000000068f81e in do_command (thd=0x7f9e24380ec8) at sql_parse.cc:760 #12 0x000000000067c644 in handle_one_connection (arg=0x7f9e24380ec8) at sql_connect.cc:1164 #13 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #14 0x000000315a4e627d in clone () from /lib64/libc.so.6 Thread 1 (process 23971): #0 0x000000315b00c216 in pthread_kill () from /lib64/libpthread.so.0 #1 0x0000000000a2d991 in my_write_core (sig=6) at stacktrace.c:309 #2 0x0000000000672631 in handle_segfault (sig=6) at mysqld.cc:2769 #3 #4 0x000000315a432ed5 in raise () from /lib64/libc.so.6 #5 0x000000315a434a43 in abort () from /lib64/libc.so.6 #6 0x000000315a42bec9 in __assert_fail () from /lib64/libc.so.6 #7 0x00000000009bc8a0 in mi_create (name=0x7f9e29950b40 "./testdb_N/t1_base7_N", keys=2, keydefs=0x1fc1898, columns=4, recinfo=0x1fc1718, uniques=0, uniquedefs=0x0, ci=0x7f9e29950d40, flags=0) at mi_create.c:649 #8 0x00000000009cf331 in ha_myisam::create (this=0x2381ba0, name=0x7f9e29951f80 "./testdb_N/t1_base7_N", table_arg=0x7f9e29950e90, ha_create_info=0x7f9e29952190) at ha_myisam.cc:1886 #9 0x00000000007d68ad in handler::ha_create (this=0x2381ba0, name=0x7f9e29951f80 "./testdb_N/t1_base7_N", form=0x7f9e29950e90, info=0x7f9e29952190) at handler.cc:3421 #10 0x00000000007db481 in ha_create_table (thd=0x7f9e242aa978, path=0x7f9e29951f80 "./testdb_N/t1_base7_N", db=0x24a2360 "testdb_N", table_name=0x24a2370 "t1_base7_N", create_info=0x7f9e29952190, update_create_info=true) at handler.cc:3628 #11 0x00000000007557f1 in mysql_truncate (thd=0x7f9e242aa978, table_list=0x24a23b8, dont_send_ok=false) at sql_delete.cc:1260 #12 0x0000000000688228 in mysql_execute_command (thd=0x7f9e242aa978) at sql_parse.cc:3373 #13 0x000000000068d71b in mysql_parse (thd=0x7f9e242aa978, inBuf=0x24a22b0 "TRUNCATE testdb_N . t1_base7_N", length=31, found_semicolon=0x7f9e29953f00) at sql_parse.cc:5985 #14 0x000000000068e2ac in dispatch_command (command=COM_QUERY, thd=0x7f9e242aa978, packet=0x7f9e24221489 "TRUNCATE testdb_N . t1_base7_N ", packet_length=32) at sql_parse.cc:1078 #15 0x000000000068f81e in do_command (thd=0x7f9e242aa978) at sql_parse.cc:760 #16 0x000000000067c644 in handle_one_connection (arg=0x7f9e242aa978) at sql_connect.cc:1164 #17 0x000000315b0073da in start_thread () from /lib64/libpthread.so.0 #18 0x000000315a4e627d in clone () from /lib64/libc.so.6